/**
 ******************************************************************************
 * @file    usbd_cdc.h
 * @author  MCD Application Team
 * @brief   header file for the usbd_cdc.c file.
 ******************************************************************************
 * @attention
 *
 * <h2><center>&copy; Copyright (c) 2015 STMicroelectronics.
 * All rights reserved.</center></h2>
 *
 * This software component is licensed by ST under Ultimate Liberty license
 * SLA0044, the "License"; You may not use this file except in compliance with
 * the License. You may obtain a copy of the License at:
 *                      www.st.com/SLA0044
 *
 ******************************************************************************
 */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __USB_CDC_H
#define __USB_CDC_H

#ifdef __cplusplus
extern "C"
{
#endif

/* Includes ------------------------------------------------------------------*/
#include "usbd_ioreq.h"

/** @addtogroup STM32_USB_DEVICE_LIBRARY
 * @{
 */

/** @defgroup usbd_cdc
 * @brief This file is the Header file for usbd_cdc.c
 * @{
 */

/** @defgroup usbd_cdc_Exported_Defines
 * @{
 */
#define CDC_IN_EP 0x81U  /* EP1 for data IN */
#define CDC_OUT_EP 0x01U /* EP1 for data OUT */
#define CDC_CMD_EP 0x82U /* EP2 for CDC commands */

  // #define CDC_IN_EP_2 CDC_IN_EP + 1   /* EP1 for data IN */
  // #define CDC_OUT_EP_2 CDC_OUT_EP + 1 /* EP1 for data OUT */

#ifndef CDC_HS_BINTERVAL
#define CDC_HS_BINTERVAL 0x10U
#endif /* CDC_HS_BINTERVAL */

#ifndef CDC_FS_BINTERVAL
#define CDC_FS_BINTERVAL 0x10U
#endif /* CDC_FS_BINTERVAL */

/* CDC Endpoints parameters: you can fine tune these values depending on the needed baudrates and performance. */
#define CDC_DATA_HS_MAX_PACKET_SIZE 512U /* Endpoint IN & OUT Packet size */
#define CDC_DATA_FS_MAX_PACKET_SIZE 64U  /* Endpoint IN & OUT Packet size */
#define CDC_CMD_PACKET_SIZE 8U           /* Control Endpoint Packet size */

// #define USB_CDC_CONFIG_DESC_SIZ                     67U
#define CDC_DATA_HS_IN_PACKET_SIZE CDC_DATA_HS_MAX_PACKET_SIZE
#define CDC_DATA_HS_OUT_PACKET_SIZE CDC_DATA_HS_MAX_PACKET_SIZE

#define CDC_DATA_FS_IN_PACKET_SIZE CDC_DATA_FS_MAX_PACKET_SIZE
#define CDC_DATA_FS_OUT_PACKET_SIZE CDC_DATA_FS_MAX_PACKET_SIZE

#define CDC_REQ_MAX_DATA_SIZE 0x7U
/*---------------------------------------------------------------------*/
/*  CDC definitions                                                    */
/*---------------------------------------------------------------------*/
#define CDC_SEND_ENCAPSULATED_COMMAND 0x00U
#define CDC_GET_ENCAPSULATED_RESPONSE 0x01U
#define CDC_SET_COMM_FEATURE 0x02U
#define CDC_GET_COMM_FEATURE 0x03U
#define CDC_CLEAR_COMM_FEATURE 0x04U
#define CDC_SET_LINE_CODING 0x20U
#define CDC_GET_LINE_CODING 0x21U
#define CDC_SET_CONTROL_LINE_STATE 0x22U
#define CDC_SEND_BREAK 0x23U

  /**
   * @}
   */

  /** @defgroup USBD_CORE_Exported_TypesDefinitions
   * @{
   */

  /**
   * @}
   */
  typedef struct
  {
    uint32_t bitrate;
    uint8_t format;
    uint8_t paritytype;
    uint8_t datatype;
  } USBD_CDC_LineCodingTypeDef;

  typedef enum
  {
    DISCONNECTED = 0U,
    CONNECTED,
    SUSPENDED,
    RESUMED
  } CDC_DEV_STATUS;
  typedef struct _USBD_CDC_Itf
  {
    int8_t (*Init)(void);
    int8_t (*DeInit)(void);
    int8_t (*DevStatus)(CDC_DEV_STATUS status);
    int8_t (*Control)(uint8_t cmd, uint8_t *pbuf, uint16_t length);
    int8_t (*Receive)(uint8_t *Buf, uint32_t *Len, uint8_t epnum);
    int8_t (*TransmitCplt)(uint8_t *Buf, uint32_t *Len, uint8_t epnum);
  } USBD_CDC_ItfTypeDef;

  typedef struct
  {
    uint32_t data[CDC_DATA_HS_MAX_PACKET_SIZE / 4U]; /* Force 32bits alignment */
    uint8_t CmdOpCode;
    uint8_t CmdLength;
    uint8_t *RxBuffer;
    uint8_t *TxBuffer;
    uint32_t RxLength;
    uint32_t TxLength;

    __IO uint32_t TxState;
    __IO uint32_t RxState;
  } USBD_CDC_HandleTypeDef;

  /** @defgroup USBD_CORE_Exported_Macros
   * @{
   */

  /**
   * @}
   */

  /** @defgroup USBD_CORE_Exported_Variables
   * @{
   */

  extern USBD_ClassTypeDef USBD_CDC;
#define USBD_CDC_CLASS &USBD_CDC
  /**
   * @}
   */

  /** @defgroup USB_CORE_Exported_Functions
   * @{
   */
  uint8_t USBD_CDC_RegisterInterface(USBD_HandleTypeDef *pdev,
                                     USBD_CDC_ItfTypeDef *fops);

  uint8_t USBD_CDC_SetTxBuffer(USBD_HandleTypeDef *pdev, uint8_t *pbuff,
                               uint32_t length);

  uint8_t USBD_CDC_SetRxBuffer(USBD_HandleTypeDef *pdev, uint8_t *pbuff);
  uint8_t USBD_CDC_ReceivePacket(USBD_HandleTypeDef *pdev, uint8_t epnum);

  uint8_t USBD_CDC_TransmitPacket(USBD_HandleTypeDef *pdev, uint8_t epnum);
  /**
   * @}
   */

#ifdef __cplusplus
}
#endif

#endif /* __USB_CDC_H */
/**
 * @}
 */

/**
 * @}
 */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
